SANTIAGO, Oct. 10 (Xinhua) -- Experts has maintained Chile's GDP growth at 4 percent in 2018.The prediction, released Wednesday on Chile's Central Bank's (BC) Monthly Survey of Economic Expectations, was slightly less than that of the Finance Ministry, which is 4.1 percent.According to the BC's October survey, the GDP will grow 3.8 percent in 2019 and 3.5 percent in 2020.The experts also specified a growth of 3 percent in September's Monthly Economic Activity Index (IMACEC). Meanwhile the non-mining IMACEC will be 3.5 percent.The rate of inflation is predicted to be 3 percent by the end of this year and the same by the end of 2019.In terms of monthly inflation, experts said that the Consumer Price Index for October will see an increase of 0.3 percent, while for November, a 0.2 percent increase is forecast.The Monetary Policy Rate will be held at 2.5 percent, but the experts caution that it will hit 2.75 percent at the end of this year.In the light of the exchange rate, they thought that the U.S. dollar will be situated at an average of 665 pesos per unit in the next two months. It will fall to 650 by September 2019 and to 640 by the end of 2020.The Monthly Survey of Economic Expectations is a monthly study done by the BC, in which consultants and financial institution advisors from South American countries participate.